Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow principle of conservation of mass holds total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional principle of conservation of mass holds total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is less than 1 160 between 1 and 100 200 less than 1 160 between 1 and 100 200 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is same more less more or less depending on size of glass tube same more less more or less depending on size of glass tube ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The resultant of all normal pressures acts at e.g. of body at center of pressure at metacentre vertically upwards at e.g. of body at center of pressure at metacentre vertically upwards ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 : 2.5 1:50 1 :25 1 : 5 1 : 2.5 1:50 1 :25 1 : 5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A large Roynold number is indication of smooth and streamline flow turbulent flow LAMINAR FLOW highly turbulent flow. smooth and streamline flow turbulent flow LAMINAR FLOW highly turbulent flow. ANSWER DOWNLOAD EXAMIANS APP